var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var index = require('./routes/index');
var users = require('./routes/users');
var session = require('express-session');
var engine = require('ejs-mate');
var MongoStore = require('connect-mongo')(session);
var db = require('./db/db');
var dao = require('./dao/dao');
var app = express();

// view engine setup
app.engine('ejs',engine);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
// app.locals._layoutFile = 'layout.ejs';
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(session({
    resave:false,//添加这行
    saveUninitialized: true,//添加这行
    // secret: settings.cookieSecret,
    // key: settings.db,//cookie name
    // cookie: {maxAge: 1000 * 60 * 60 * 24 * 30},//30 days
    secret: "myzhibie",
    store: new MongoStore({
        mongooseConnection: db.dbCon,
        // host: settings.host,
        // port: settings.port
    })
}));
app.namespace('/',function () {
   app.route('/zkbrowser');
});
app.namespace('zkbrowser',function () {
    app.use('/index', index);
    app.use('/users', users);
});
// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});
app.use(function (req, res, next) {
//    res.locals.user=req.session.user;
    var err = req.session.error;
    var success = req.session.success;
    var user = req.session.user;
    var mess = req.session.message;
    delete req.session.success;
    delete  req.session.error;
    delete  req.session.message;
    if (err) {
        res.locals.message = "*" + err;
    }
    if (mess) {
        res.locals.message = "*" + mess;
    }
    if (success) {
        res.locals.success = success;
    }
    if (user) {
        res.locals.user = user.name;
    }
    next();
});
module.exports = app;
